Product introduction

Discover the exceptional efficiency and adaptability of our Premium 100VA Control Transformer. This state-of-the-art transformer is meticulously crafted to cater to the rigorous demands of contemporary machine tools and mechanical apparatuses. It is the perfect choice for circuits receiving input voltages up to 1000V and operating smoothly at AC 50-60Hz. Engineered for continuous operation under its rated capacity, it effortlessly energizes general electrical appliances, local lighting systems, and delivers unwavering indicating power with a remarkable capacity reaching up to 50000VA.
· Expertly designed to deliver optimal performance at altitudes not exceeding 2000 meters;
· Operates flawlessly within an extensive ambient air temperature range of -25ºC to +40ºC, maintaining a 24-hour average temperature below +35ºC to ensure smooth and consistent operation.
· Retains high efficiency with relative air humidity not surpassing 90% at +25 °C and remaining under 50% at +40 °C, guaranteeing reliable performance in diverse environmental conditions.
· Constructed to thrive in environments free from severe vibration and shock, protected against rain or snow intrusion, ensuring dependable and uninterrupted operation.
Engineered to operate in explosion-free media, our transformers are safeguarded against harmful corrosive gases or conductive dust that could deteriorate metal integrity or insulation, ensuring both safety and extended longevity.
Our transformers are tailored to meet a wide range of capacity, voltage, and usage requirements. They feature diverse structures typically categorized into shell-encased and open-frame forms, each meticulously engineered for specific applications.
Our precisely engineered transformer coils, whether double-winding or multi-winding, are designed to allow the secondary side to employ multiple taps or windings, achieving the exact voltage and capacity distribution needed.
The double-winding transformer coil functions with peak efficiency, with the primary current expressed as I1=Pe/U1, and the secondary current as I2=Pe/U2, ensuring optimal energy conversion and distribution.
Apply |
Mines, oil fields, subways, power plants, schools, hospitals, commercial centers, high-rise buildings |
Installation height |
The altitude does exceed 1000m |
The waveform of the power supply voltage |
similar to a sine wave |
We are a professional manufacturer with 32 years of unparalleled expertise in manufacturing electrical equipment. Our specialization spans a diverse array of products including transformers (dry-type and oil-immersed), voltage stabilizers, regulators, switchgear, compact substations, and frequency converters. With rigorous quality control protocols in place, we assure exceptional safety and quality. Our esteemed reputation is recognized both domestically and globally, with customer satisfaction as our steadfast commitment. We warmly invite you to visit our cutting-edge facilities and explore the potential for a productive, enduring partnership with Dongliang Electric Co., Ltd.
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Company Profile
Founded in 1992 with a robust registered capital of 50 million RMB, Dongliang Electric Co., Ltd. stands as a testament to nearly three decades of unmatched expertise in the realm of medium voltage transmission and distribution electrical equipment. Our specialization spans a diverse range of transformers, including dry-type, oil-immersed, machine tool, environmental protection, control, and lighting lamp transformers. Complementing these are our highly reliable voltage stabilizers, voltage regulators, state-of-the-art switchgear, compact substations, frequency converters, and an extensive assortment of other advanced electric devices. Situated in the illustrious 'Electrical Appliance Capital of China'-Yueqing City, Zhejiang Province-our location not only offers breathtaking vistas of the East Sea and Oujiang River to the south but also provides close proximity to globally celebrated national scenic spots to the north. At Dongliang Electric, we are propelled by an ethos that prioritizes 'quality first, service foremost,' reflecting our unwavering commitment to continuous improvement and groundbreaking innovation that consistently surpasses customer expectations. Our rigorous and comprehensive quality control system is meticulously crafted to maintain the pinnacle of quality and safety standards, earning us a distinguished reputation with clientele both within China and across international borders. Achieving customer satisfaction remains our unyielding goal, and we pledge to deliver the most genuine, attentive, and rewarding service experience. We extend a heartfelt invitation for you to visit our facilities and eagerly anticipate the possibility of forging an enduring partnership with you.
Company advantage

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Packaging & Shipping
Packing standard: We are committed to delivering your products in pristine condition by utilizing superior packaging solutions, such as sturdy wooden cases or fortified container protections, ensuring the utmost safety and security during transit.
Q: Who are we?
A: We are Dongliang Electric Co., Ltd., a premier transformer company with an impressive legacy of 32 years in crafting high-quality transformers. Based in Zhejiang, China, we are known for our dedication to excellence and innovation.
Q: Can your product be customerized?
A: Absolutely! Recognizing the diverse voltage, frequency, and distinct transformer specifications required globally, we offer comprehensive customization options to tailor our products precisely to your individual requirements.
Q: How about your after-sales servic?
A: Our commitment to your satisfaction extends beyond the purchase. We provide an extraordinary 20-year after-sales quality guarantee, offering you enduring peace of mind.
For more questions, please feel free to reach out. Contact us and receive an immediate response.